Fig. 5: Experimental anomalies in the temperature dependence of the critical current density JC.
From: Oxygen vacancy-driven spin-transfer torque across MgO magnetic tunnel junctions

a Temperature dependence of JC for P → AP (black) and AP → P (red) STT switching. A MTJ-INL device was used. b Experimental and analytical temperature dependencies of \({J}_{C}^{P\to {AP}}/{J}_{C}^{{AP}\to P}\,(T)\).